Ametek Sorensen DLM-E, Operation Manual

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DLM-E 3kW & 4kW Series Power Supplies Installation
Figure 2–5. Single Load with Remote Sensing
(Local sense lines shown are default J11 to busbar connections)
2.8.5 Connecting Multiple Loads
Proper connection of distributed loads is an important aspect of power supply applications.
Two common methods of connection are the parallel power distribution method and the radial
distribution method.
Proper connection of distributed loads is an important aspect of power supply application. A
common mistake is to connect leads from the power supply to one load, from that load to the
next load, and so on for each load in the system. In this
parallel power distribution method,
the voltage at each load depends on the current drawn by the other loads and DC ground loops
are developed. Except for low current applications, this method should not be used.
The preferred way to distribute power is by the radial distribution method in which power is
connected to each load individually from a single pair of terminals designated as the positive
and negative distribution terminals. The pair of terminals may be the power supply output
terminals, the terminals of one of the loads or a distinct set of terminals specially established for
distribution. Connecting the sense leads to these terminals will compensate for losses and
minimize the effect of one load upon another.
Figure 2–6 and Figure 2–7 show recommended load and sensing connections for multiple
loads. Local sense lines shown are default J11 connections. Refer to Section 3.3.1 Connecting
Remote Sense Lines for more information about grounding the sense line shield.
M362000-01 Rev E
2-13